I have made up the sentences below.
(1a) Suppose that you are working at a public event and hear someone swear. You said, "Watch your language."
(1b) Suppose that you are working at a public event and hear someone swear. You said, "Control your language."
(1c) Suppose that you are working at a public event and hear someone swear. You said, "Restrain your language."
Which word choice is correct? Thank you.